A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6220-01-392-0502
NSN 2925-01-523-3607
NSN 6610-01-556-2353
NSN 5925-01-315-6349
NSN 5965-01-251-9480
NSN 5996-01-218-6468
NSN 5996-01-514-1610
NSN 4140-01-447-3141
NSN 6145-00-663-6133
NSN 5945-00-419-2600
NSN 4140-00-857-9970
NSN 5960-01-265-0354